Electronics > Projects, Designs, and Technical Stuff

Show your homemade power supply

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gcewing:
I had my Frankensupply open for an upgrade, and thought I'd take some pictures to post here.  Stitched together from the dismembered corpses of various pieces of equipment, it provides power for many of my mad scientist experiments.



The transformer and most of the rectifiers and capacitors are from a dot-matrix printer. The power cord, power switch and input filter are from a daisywheel typewriter. The case once housed an 8-track cartridge player. The regulators and heatsink were bought for the purpose (I needed a fresh, young heart).

The upgrade was adding a 36V output for jolting stepper motors into life.



Anyone else have a unique power solution they'd like to share?

ledtester:
How does this work? Are you using two Euro style terminal blocks to create a plug so that you don't have to unscrew any of the colored wires to disconnect the front panel?

[attachimg=1]

gao415517:
Handmade

gcewing:

--- Quote from: ledtester on September 25, 2021, 02:39:11 pm ---Are you using two Euro style terminal blocks to create a plug so that you don't have to unscrew any of the colored wires to disconnect the front panel?

--- End quote ---
It's one of these:
https://www.jaycar.co.nz/plug-socket-12-way-screw-terminal-strip/p/HM3202

Terry Bites:
Current limit is dodgy though....

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